move to pydantic-settings from pydantic (#862)

setup.py

@@ -87,7 +87,7 @@ def run_tests(self):
     install_requires=[
         "requests",
         "pycryptodomex",
-        "pydantic",
+        "pydantic-settings",
         "pyjwkest>=1.3.6",
         "mako",
         "cryptography",

src/oic/utils/settings.py

@@ -9,15 +9,15 @@
 In order to configure some objects in PyOIDC, you need a settings object.
 If you need to add some settings, make sure that you settings class inherits from the appropriate class in this module.
 
-The settings make use of `pydantic <https://docs.pydantic.dev/usage/settings/>`_ library.
+The settings make use of `pydantic-settings <https://docs.pydantic.dev/usage/settings/>`_ library.
 It is possible to instance them directly or use environment values to fill the settings.
 """
 from typing import Optional
 from typing import Tuple
 from typing import Union
 
 import requests
-from pydantic import BaseSettings
+from pydantic_settings import BaseSettings
 
 
 class PyoidcSettings(BaseSettings):